ArticleEuropean journal of trauma and emergency surgery : official publication of the European Trauma Society2026
Novel, non-invasive technique for fracture reduction in rare pertrochanteric femur fractures in patients with ipsilateral above-knee amputation: a technical report.
Article in European journal of trauma and emergency surgery : official publication of the European Trauma Society, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionPertrochanteric femur fractures in patients with ipsilateral above-knee amputations present unique challenges, as the use of standard reduction techniques such as traction tables is impractical. Modified techniques, including the use of K-wires, Schanz pins, or bone clamps, are often invasive and carry the risk of vascular disruption and surgical site infections. Given these limitations, we developed a non-invasive technique that leverages the cephalomedullary nail as a joystick to reduce the fracture.
methodsPatients with a history of ipsilateral above-knee amputation who subsequently sustained a pertrochanteric femur fracture were treated using the novel technique at our institution between January 2019 and January 2024. Radiological outcomes in these patients were evaluated by assessing fracture reduction quality according to Schipper et al. and fixation quality using the Cleveland and Bosworth quadrant system. The results are summarised in this technical report.
resultsBetween January 2019 and January 2024, three patients (two males, mean age 84 ± 11 years) with an ipsilateral above-knee amputation were treated using the novel technique with a cephalomedullary nail using TFN-Advanced™ Proximal Femoral Nailing System or PFNa, Proximal Femur Nail Antirotation (DePuySynthes, Johnson & Johnson MedTech). These patients had a mean Charlson Comorbidity Index of 10± 2.1. Radiological evaluation showed anatomic reduction in two cases and acceptable reduction in one, with optimal femoral neck fixation in two cases. The mean operative time and hospital stay were 89 ± 100 min and 18 ± 15 days respectively. No surgery-related complications occurred, and all patients were mobilised with full weight-bearing using their exoprostheses.
conclusionThis novel technique provides a safe alternative for fracture reduction in amputees, avoiding the risks associated with invasive hardware. It offers advantages such as minimal soft tissue disruption, which might subsequently improve patient outcomes. Further studies with larger cohorts are necessary to validate its efficacy and determine its broader applicability in clinical practice.
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